<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>下拉菜单</title>
</head>
<!-- 引入ElementUI样式 -->
<link rel="stylesheet" href="ElementUI/index.css">
<script src="ElementUI/vue.js"></script>
<!-- 引入ElementUI组件库 -->
<script src="ElementUI/index.js"></script>

<style>
  .el-dropdown-link {
    cursor: pointer;
    color: #409EFF;
  }
  .el-icon-arrow-down {
    font-size: 12px;
  }
</style>
<body>
<div id="app">
<!--  方法一hover激活事件-->
 <!-- <el-dropdown>
            <span class="el-dropdown-link">
               下拉菜单<i class="el-icon-arrow-down el-icon&#45;&#45;right"></i>
            </span>
    <el-dropdown-menu slot="dropdown">
      <el-dropdown-item>退出系统</el-dropdown-item>
      <el-dropdown-item disabled>修改密码</el-dropdown-item>
      <el-dropdown-item divided>联系管理员</el-dropdown-item>
    </el-dropdown-menu>
  </el-dropdown>-->
<!--  方法二click点击事件-->
  <!--<el-dropdown trigger="click">
    <span class="el-dropdown-link">
       下拉菜单<i class="el-icon-arrow-down el-icon&#45;&#45;right"></i>
    </span>
    <el-dropdown-menu slot="dropdown">
      <el-dropdown-item>退出系统</el-dropdown-item>
      <el-dropdown-item disabled>修改密码</el-dropdown-item>
      <el-dropdown-item divided>联系管理员</el-dropdown-item>
    </el-dropdown-menu>
  </el-dropdown>-->
<!--  方法三按钮下拉菜单-->
  <el-dropdown split-button trigger="click">
    <span class="el-dropdown-link">
       下拉菜单<!--<i class="el-icon-arrow-down el-icon--right"></i>-->
    </span>
    <el-dropdown-menu slot="dropdown">
      <el-dropdown-item>退出系统</el-dropdown-item>
      <el-dropdown-item disabled>修改密码</el-dropdown-item>
      <el-dropdown-item divided>联系管理员</el-dropdown-item>
    </el-dropdown-menu>
  </el-dropdown>
</div>
</body>
</html>
<script>
  new Vue({
    el:"#app"
  })
</script>